| 回旋加速器中的空间电荷效应和束晕(英文) |
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| 引用本文： | 欧阳华甫.回旋加速器中的空间电荷效应和束晕(英文)[J].中国核科技报告,2001(1). |
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| 作者姓名： | 欧阳华甫 |
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| 作者单位： | 中国科学院高能物理所 北京，100039 |
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| 摘 要： | 在考虑束团内粒子之间的空间电荷相互作用力的条件下,对日本理化研究所(RIKEN)现有的一台注入器(加速常数为K70的AVF型回旋加速器)中束团的演变过程进行了模拟计算。模拟结果表明,束团的形变、束晕现象同样发生在回旋加速器中,不过,其产生机制不同于直线加速器。它不是由共振和混沌引起,而是由于粒子的排斥运动和束团内粒子的涡流运动引起的。
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| 关 键 词： | AVF型回旋加速器 束团 空间电荷效应 束晕 |
Space Charge Effects and Beam Halo in a Cyclotron |
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| OUYANG HuafuInstitute of High Energy Physics,Chinese Academy of Sciences,Beijing.Space Charge Effects and Beam Halo in a Cyclotron[J].China Nuclear Science and Technology Report,2001(1). |
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| Authors: | OUYANG HuafuInstitute of High Energy Physics Chinese Academy of Sciences Beijing |
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| Affiliation: | OUYANG HuafuInstitute of High Energy Physics,Chinese Academy of Sciences,Beijing,100039 |
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| Abstract: | With the space charge forces considered, simulations of the evolution of the beam bunch in an AVF cyclotron are carried out. The result shows that the deformation of the bunch and the formation of beam halo also take place in a cyclotron. But the mechanism of the formation of the beam halo in a cyclotron is different form that in a linear accelerator. |
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| Keywords: | AVF cyclotron Beam bunch Space charge effects Beam halo |
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